<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form name="punchout_form" method="post" action="https://openapi.alipaydev.com/gateway.do?alipay_sdk=alipay-easysdk-java-2.2.2&app_id=2021000121681427&charset=UTF-8&format=json&method=alipay.trade.page.pay&notify_url=https%3A%2F%2Fwww.test.com%2Fcallback&return_url=http%3A%2F%2Flocalhost%3A6002%2Fpay.success.html&sign=Mp4kT9oHVX42I41wduPUqNCRgLDwcR9o8lsMcBa6MhC5UjnC64q1kOxQEl4TMxoHPzfk1iS%2BgJCxEzbszI2%2Bjp2W2S7OxVo1R1AZVEjAM0sxhLrJ4VuqghWiUpEjHkmJM5t0OCLImiS3Cb30DYk5H3ZEKS9%2FLkmrI0popvGgtSTIiZMSyq%2FSox3PQGpNU%2Fvqp4wLguFYveAtLJZK7Uz9tHIk2%2FQdNq9RE3JlOfCR1vY%2FJb6pRG%2BO5TEsvWNgZibqLecDf9z4k2zKyrYWTP8t526dHf%2FTpPMJiQbcnXPN%2BKxAgRAznxVvryfO%2Fl0wWHirCpRg%2FOihIVWg4SYh8IoLsQ%3D%3D&sign_type=RSA2&timestamp=2022-11-04+18%3A15%3A38&version=1.0">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;2206542399&quot;,&quot;total_amount&quot;:&quot;100.0&quot;,&quot;subject&quot;:&quot;购买课程下单&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>
</body>
</html>b